1. Barbach, L. G. (1974). Group treatment of preorgasmic women.J. Sex Marital Ther. 1: 139?145.
2. Hastings, D. W. (1966).A Doctor Speaks on Sexual Expression in Marriage Little, Brown, Boston.
3. Kinsey, A. C., Pomeroy, W. B., Martin, C. E., and Gebhard, P. H. (1953).Sexual Behavior in the Human Female Saunders, Philadelphia.
4. Kohlenberg, R. J. Directed masturbation and the treatment of primary orgasmic dysfunction. Department of Psychology, University of Washington (unpublished manuscript).
5. Locke, H. J., and Wallace, K. M. (1959). Short marital adjustment and prediction tests: Their reliability and prediction.Marriage Family Living 21: 251?258.